Hormones clearly influence a women's health, but figuring out how is a tricky business. Andrew Ostrovsky/iStockphoto.com hide caption

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There's more than one reason to aim for a good night's sleep. Charles Taylor/iStockphoto.com hide caption

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Regular nut consumers had about a 20 percent reduction in all-cause mortality, including lower death rates from heart disease and cancer, a study found. iStockphoto hide caption

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French fries: There are probably other reasons besides acrylamide to avoid these tasty snacks. iStockphoto hide caption

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Disease susceptibility varies among ethnic groups, but medicine hasn't always recognized that. Jo Unruh/iStockphoto hide caption

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Based on new research, the EPA concludes that women of childbearing age are making more informed choices and opting for low-mercury seafood choices such as shrimp, canned light tuna and salmon. JackF/iStockphoto hide caption

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There's a reason she's out there all alone. Children worldwide are spending less time on sports and active play and more time with TVs and video games. iStockphoto.com hide caption

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Andrew Duncan Carson makes recumbent bikes out of recycled parts in his garage. He says he'll never ride an upright bike again. Jon Kalish/NPR hide caption

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MenuStat, a new website by the New York City Department of Health, allows users to compare the calorie counts of items between restaurants, over time. Screenshot of MenuStat.org hide caption

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Coffee can help cut your risk of Type 2 diabetes, fresh research shows. Other foods, such as oranges, lemons and other citrus fruits, nuts and beans can also help. iStockphoto.com hide caption

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